TSC 800 TRANSFER SWITCH CONTROLLER
PM 049 REV 10 08/09/25 Thomson Technology
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5.1. SYSTEM TIME MENU
The system time menu is used to show current system time and week number. The TSC 800
controller uses its internal time clock to reference when an automatic exercising operation (if
pre-programmed) is to occur. To change the system time, refer to the “time clock adjustment”
section of this manual. Should control power be lost to the TSC 800 controller for longer than
1-5 minutes, the time clock setting will be saved at the last time value. When the controller is
re-energized, the time setting will indicate the approximate time when the controller lost power
and then will resume keeping system Time. To re-adjust the system time clock, refer to
section 6.3.
NOTE:
The following system Time menu is provided in TSC 800
Software version 2.0 (or higher).
LCD DISPLAY
System Time
Mon
1
12:24:31
Displays the day of the week (e.g. Monday)
Displays the week number (e.g. 1-4)
Displays the current time in hours (24-hour clock): hour: min: seconds
5.2. ATS MODE MENU
The ATS Mode Menu provides manually selectable operating modes which includes
On/Offload testing features (comparable features also available via external inputs utilizing an
optional FTS4 selector switch). The Internal and External ATS Mode inputs operate in a
parallel fashion; the Mode of Operation will be determined by the highest priority selected by
either format. The priority levels are as follows (highest to lowest priority):
1) Off (Controller out of Service, no control logic applied)
2) Onload Test
3) Offload Test
4) Auto
A utility power failure will over ride all but “Off”. In the event of a generator failure and the
utility supply is available and considered normal, the ATS will return to the utility supply except
when “Off” selected.
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